L-Tryptophan 98.5% Feed Grade Additives CAS No. 73-22-3

• Application: Boost Immunity, Improve Nutrition, Increase Egg Production Rate, Promote Growth
• Certification: ISO, QS, Fami QS
• Shape: Powder
• Type: Amino Acid
• Chemical Formula: C11h12n2o2
• Shelf Life: 2 Years
• Quality Standard: GB/T 25735-2010
• Function: Amino Acid Additives
• Transport Package: 10kg Bag
• Specification: Tryptophan Feed Grade
• Trademark: Meihua, Fufeng
• Origin: China
• HS Code: 293399
• Production Capacity: 5000mt

Product Description

L-Tryptophan

L-Tryptophan is an essential amino acid for young animal's growth. It is effective when used for increasing the feed intake, reducing stress, promote sleeping and growing, it can also reduce the quantity of high quality protein in diary ration to lower the cost of feed.

L-Tryptophan(Feed Grade)
Appearance:white or light brown powder
Formula:C11H12N2O2
Molecular weight:204.23
Dosage:Mix in animal feed
0.5-1% per ton for swine feed
0.1-1% per ton for poultry feed
Packaging:10kg paper bag
Storage:Stored in cool and dry place
Shelf life:2 years from the production date

Item	Specification
Description	White or light yellow crystal or powder
Assay(C11H12N2O2) (Dry Basis)/%	≥ 98.0
Loss on Drying/%	≤ 0.5
Crude ash/%	≤0.5
Specific rotation (a)Dt	-29.0° ~ -32.8°
PH(1% Aqueous Solution)	5.0 - 7.0
Arsenic/(mg/kg)	≤ 2
Pb/(mg/kg)	≤ 5
Cd/(mg/kg)	≤ 2
Hg/(mg/kg)	≤ 0.1
Salmonell(25g Sample)	Not  Allowed
Moisture	≤ 0.5%
Heavy metals	≤10 ppm
Arsenic(As2SO3)	≤ 1.0 ppm
Ignited Residue	≤ 0.5%

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